| Équations équilibrées la veille |
2 Ni + H2 = 2 HNi
NaNO2 + KJ + HCl = J2 + NO + H2O + NaCl + KCl =>
2 NaNO2 + 2 KJ + 4 HCl = J2 + 2 NO + 2 H2O + 2 NaCl + 2 KCl
Zn(OH)2 + Na2O = ZnO + NaOH =>
Zn(OH)2 + Na2O = ZnO + 2 NaOH
K2I2 + H2SO4 = H2O + H2S + I2 + K2SO4 =>
4 K2I2 + 5 H2SO4 = 4 H2O + H2S + 4 I2 + 4 K2SO4
Cl + LiBr = ClBr + Li =>
Cl + LiBr = ClBr + Li
CaClNH4OH = CaOHNH4Cl =>
CaClNH4OH = CaOHNH4Cl
Na + Si + O2 = Na2SiO4 =>
2 Na + Si + 2 O2 = Na2SiO4
Be + NaOH = Na2BeO2 + H =>
Be + 2 NaOH = Na2BeO2 + 2 H
AgNO3 + KL = AgL(s) + KNO3 =>
AgNO3 + KL = AgL(s) + KNO3
Sb2S3 + O2 = Sb2O3 + SO2 =>
2 Sb2S3 + 9 O2 = 2 Sb2O3 + 6 SO2
Mn + H3PO4 = Mn3(PO4)7 + H2 =>
6 Mn + 14 H3PO4 = 2 Mn3(PO4)7 + 21 H2
(NH4)2CO3 + H2O = H2CO3 + NH4OH =>
(NH4)2CO3 + 2 H2O = H2CO3 + 2 NH4OH
Na2S2O3 = Na2SO4 + Na2S + S =>
4 Na2S2O3 = 3 Na2SO4 + Na2S + 4 S
CH2ClCH3 + NaOH = CH2OHCH3 + NaCl =>
CH2ClCH3 + NaOH = CH2OHCH3 + NaCl
Ca(OH)2 + H3PO4 = Ca3PO4 + H(OH)2 =>
3 Ca(OH)2 + H3PO4 = Ca3PO4 + 3 H(OH)2
KNO3 + H2SO4 = K2SO4 + HNO3 =>
2 KNO3 + H2SO4 = K2SO4 + 2 HNO3
AB = A + B =>
AB = A + B
W2O5 + H2 = W + H2O =>
W2O5 + 5 H2 = 2 W + 5 H2O
Li + Zn(NO3)2 = Li(NO3)2 + Zn =>
Li + Zn(NO3)2 = Li(NO3)2 + Zn
H2PO4{-} + H2O = HPO4{2-} + H3O{+} =>
H2PO4{-} + H2O = HPO4{2-} + H3O{+}
AgNO3 + NH4 = AgH4 + NNO3 =>
AgNO3 + NH4 = AgH4 + NNO3
Mg(OH)2CaO = MgCaO(OH)2 =>
Mg(OH)2CaO = MgCaO(OH)2
HCO3 + HCl = ClCO2 + H2O =>
HCO3 + HCl = ClCO2 + H2O
Cl{-} + CrO4{2-} + H{+} = HClO + Cr{3+} + H2O =>
3 Cl{-} + 2 CrO4{2-} + 13 H{+} = 3 HClO + 2 Cr{3+} + 5 H2O
MgBr2 + AgNO3 = Mg(NO3)2 + Ag + Br =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 Ag + 2 Br
Al2O2 + Fe = Fe3O4 + Al =>
2 Al2O2 + 3 Fe = Fe3O4 + 4 Al
H2OCH3Cl = CH3OHHCl =>
H2OCH3Cl = CH3OHHCl
KOCl + HNO3 = HClO + KNO3 =>
KOCl + HNO3 = HClO + KNO3
Al(NO3)3 + Na2S + H2O = Al(OH)3 + H2S + NaNO3 =>
2 Al(NO3)3 + 3 Na2S + 6 H2O = 2 Al(OH)3 + 3 H2S + 6 NaNO3
Tl2O3 + HBr = TlBr3 + H2O =>
Tl2O3 + 6 HBr = 2 TlBr3 + 3 H2O
NaOCl + NaI = NaCl + NaIO3 =>
3 NaOCl + NaI = 3 NaCl + NaIO3
C2H5Cl + Cl = C2H4Cl + HCl =>
C2H5Cl + Cl = C2H4Cl + HCl
SO3 + NaOH = NaOH(SO3) =>
SO3 + NaOH = NaOH(SO3)
N2O5 + Cu(OH)2 = Cu(NO3)2 + H2O =>
N2O5 + Cu(OH)2 = Cu(NO3)2 + H2O
MnSe = Mn + Se =>
MnSe = Mn + Se
Ag + Au3{+} = Ag{+} + Au =>
Ag + Au3{+} = Ag{+} + 3 Au
K3PO4 + NaC2H3O2 = KC2H3O2 + Na3PO4 =>
K3PO4 + 3 NaC2H3O2 = 3 KC2H3O2 + Na3PO4
O3(g) = O29(g) =>
29 O3(g) = 3 O29(g)
CH3NH2 + HCIO4 = NO2 + CO2 + H2O + HCI =>
8 CH3NH2 + 13 HCIO4 = 8 NO2 + 8 CO2 + 20 H2O + 13 HCI
Li + HNO3 = LiHNO3 =>
Li + HNO3 = LiHNO3
(NH4)2CO3 + (BeOH)2CO3 = (NH4)2Be(CO3)2 + NH4OH =>
3(NH4)2CO3 + (BeOH)2CO3 = 2(NH4)2Be(CO3)2 + 2 NH4OH
HBrC2H2 = C2H3Br =>
HBrC2H2 = C2H3Br
(NH3) + O2 = HNO3 + H2O =>
(NH3) + 2 O2 = HNO3 + H2O
Mo2O3 + KMnO4 + H2SO4 = MoO3 + MnSO4 + K2SO4 + H2O =>
5 Mo2O3 + 6 KMnO4 + 9 H2SO4 = 10 MoO3 + 6 MnSO4 + 3 K2SO4 + 9 H2O
CrOHSO4 + NaOH = Cr(OH)3 + Na2SO4 =>
CrOHSO4 + 2 NaOH = Cr(OH)3 + Na2SO4
NHCl + NaOH = NaCl + HO + NH =>
NHCl + NaOH = NaCl + HO + NH
NaMnO4 + HCl = NaCl + MnCl2 + H2O + Cl =>
NaMnO4 + 8 HCl = NaCl + MnCl2 + 4 H2O + 5 Cl
Ca2 + CH3COOH = Ca(CH3COO)2 + H2 =>
Ca2 + 4 CH3COOH = 2 Ca(CH3COO)2 + 2 H2
CaCl2(aq) + Na2CO3(s) = CaCO3(s) + NaCl(aq) =>
CaCl2(aq) + Na2CO3(s) = CaCO3(s) + 2 NaCl(aq)
C2H4(OH)2 + O2 = CO2 + H2H =>
C2H4(OH)2 + O2 = 2 CO2 + 2 H2H
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Équations équilibrées sur11/21/24
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